Berlin, Isaiah, Lecture on Fathers and Children, in Fathers and Children, edited by Patrick Waddington, Everyman, p. 272, originally published in "Fathers and Children": the Romanes Lecture, delivered in the Sheldonian Theatre, 12 November 1970, Oxford University Press, 1972, pp. 55-56.

Engel, Barbara Alpern, Excerpt, in Fathers and Children, edited by Patrick Waddington, Everyman, p. 273, originally published in Mothers and Daughters: Women of the Intelligentsia in Nineteenth-Century Russia, Cambridge University Press, 1983, p. 63.